Animal-shears



model.)

J. H. ORR.

- ANIMAL SHEARS.

N0. 288,104. Patented Nov. 6, 1883.

WITNE$SES v BY be understood from the drawings.

7 UNITED STATES PATENT OFFICE...

JAMES ELDER, OF UKIAH, CALIFORNIA.

ANIMAL-SH EARS.

SPEGIFICATION forming part of Letters Patent No. 288,104, dated November6, 1883. Application filed March 14,1883 (Modelo drawings, forming partof this specification, in which similar letters of reference indicatecorresponding pa-rts in all the figures.

Figure 1 is a perspective view of my new and improved shearing-machine.2 is a plan view thereof with the cross-piece d removed; and Fig. 3 is aperspective view of the knife-plate A, separated from the other parts ofthe machine,showing clearly the H shaped guide 0, by which theparallelism of the plate B with the knife-plate A is maintained.

The plate A has secured to it the straightedged knifea' and handle-frameb, and is formed with the opening 9 in the center, and'with the parallelgrooves e c on its under side, in which grooves the bars f f of theH-shaped guide 0 fit, as shown in Fig. 3.

The plate B is formed with the slots is k,has

secured to its forward edge the bent fingers b b, and is placed fiatupon the plate A, so that the fingers I) rest snugly upon the knife a,and is held in that position by the cap h and screws t i, that pass downthrough the cap into the upper ends of the studs j j of the guide 0,which studs reach up through the slots 70 k, as will In this manner theplate B and H shaped guide 0 are locked together. The plate B receivesmotion from the crank c of the crankshaft D through the connecting-rodE, the rear end of which rod is guided'in a slot formed in the rearcross-piece, d, andimparts an elliptical movement to the plate--that-is,first outward to the position shown in Fig. l, carrying'the bent fingersbeyond the edge of the knife a; then to the right to the position shownin dotted lines inFig. 2 5 then downward; then to the left to theposition shown in full lines in Fig.

2. Thelateral or right and left hand move- 5 ment of the plate ispermitted by the length of the slots is k, the plate moving upon theguide 0 between it and the cap h,- and to reduce the friction betweenthe cap and plate I provide the cap h with the anti-friction roller h.The 5 outward andbackward movement is permitted by the movement of theH-shaped guide 0 in the opening 9, made in theplate A, and the bars ff,moving in the slots 0 e, serve always to hold the edge of theplateBparallel with tie 6 edge of the plate A, so that when in use the righthand and backward movement of the plate B will cause the fingers b b todraw the I wool or other filaments properly across the edge of the knifea, and thus cause it to be out. 6 The crank-shaft D will receive motionfrom the motive power through a flexible connec' tion, such as is nowused in connection with mechanical shears.

Constructed in this manner the shears are 7 practical, cheap, and areadapted'for very rapid work, and will not tire the hand as the commonshears do, nor cut oiginjure the animal being sheared.

Having thus described my invention, wha 7 I claim as new, and desire tolsecure by Let ters Patent, is-

1. In a shearing-machine, the knife-plate A, having opening 5 andgrooves 6,6, in combination with the guide O'and finger-plate B, ,Esubstantially as set forth.

2. The shearing-machine herein shown and described. consisting of theknife-plate A,finger-plate B, attached to the H-shaped guide 0, incombination with the crank-shaft D and E connecting-rod E, theknife-plate having the opening 9 and grooves e, and the finger-plate theslots in, substantially as and for the purposes set forth. 7

3. The combination, with the studs j, of g movable guide 0 and thecap-plate h, of the screws 43, and the plate B, working over the studsby its slots is, substantially as shown and described.

JAMES H. ORR. Witnesses:

D. H. ORSBORN, HALE MoGownn.

